Chemistry 'Atomic theory' of matter was given by Newton Pascal Dalton Avogadro Newton Pascal Dalton Avogadro ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Coke Compressed and hardened biomass Crude oil Deposit of animal waste Coke Compressed and hardened biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 12 Zero 18 6 12 Zero 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Ti Fe Ni Pb Ti Fe Ni Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Formic acid Butyric acid Acetic acid Propionic acid Formic acid Butyric acid Acetic acid Propionic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
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